Removing dead code part 2 (#2235)

Co-authored-by: Doug <6060466+pixlwave@users.noreply.github.com>

ElementX/Sources/Screens/RoomScreen/View/Supplementary/ReactionsSummaryView.swift

@@ -23,10 +23,6 @@ struct ReactionsSummaryView: View {
     
     @State var selectedReactionKey: String
     
-    var selectedReactionIndex: Int {
-        reactions.firstIndex(where: { $0.key == selectedReactionKey }) ?? 0
-    }
-    
     var body: some View {
         VStack(alignment: .leading, spacing: 0) {
             reactionButtons

ElementX/Sources/Screens/RoomScreen/View/Timeline/PollRoomTimelineView.swift

@@ -18,7 +18,6 @@ import SwiftUI
 
 struct PollRoomTimelineView: View {
     let timelineItem: PollRoomTimelineItem
-    @Environment(\.timelineStyle) var timelineStyle
     @EnvironmentObject private var context: RoomScreenViewModel.Context
 
     private let feedbackGenerator = UIImpactFeedbackGenerator(style: .heavy)